PSA 16" Mid-length 5.56 NATO 1/7 Nitride MOE Upper with BCG & CH,ODG

Barrel : Nitride finished 4150V chrome moly vanadium 16" barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a mid-length gas system. Barrel is finished off with Magpul MOE Mid-length handguards, an F-Marked gas sight base, and an A2 flash hider. Upper : Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized for durability. These uppers are made by us right here in the USA by a mil-spec manufacturer. Bolt : Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier.